U.S. Senator Bob Casey gave his farewell remarks in the Senate Wednesday… by thanking his staff, highlighting legislation he championed and warning of the challenges ahead.
If you're traveling by air this holiday season... you might be wondering how flying impacts climate pollution.
Sophia Schmidt from our friends at WHYY breaks it down.
In Europe, companies are beginning to find ways to cut climate pollution for heavy industries like steel.
But this transition has yet to happen in the U.S.
What will it take to bring these technologies to American shores?
The Allegheny Front’s Reid Frazier went to Sweden to find out.